Παραπομπή APA

Toppin, G. C. (2007). Business consulting: A guide to how it works and how to make it work.

Παραπομπή Chicago Style

Toppin, Gilbert; Czerniawska. Business Consulting: A Guide to How It Works and How to Make It Work. Economist, 2007.

Παραπομπή MLA

Toppin, Gilbert; Czerniawska. Business Consulting: A Guide to How It Works and How to Make It Work. 2007.